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CDS - Elementary Mathematics Test 1189
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  • Question 1/5
    1 / -0.33
    Two trains running at 45 kmph and 54 kmph cross each other in 12 seconds when they run in opposite direction. When they run in same direction a person in the faster train observes that he crossed the other train in 32 seconds .Find the lengths of the slower trains.
  • Question 2/5
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    A man rows a distance of 4 km in 1 hour in still water and in 45 minutes with the current. Find the time taken by him to row 10 km with the current and return to the starting point.
  • Question 3/5
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    In the figure two circles intersect at two points M and N. Through M two line segments AMD and PMQ are drawn to intersect the circles at A , D and P , Q respectively. If  then what is the value of ?
  • Question 4/5
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    In the given figure , AB is the diameter of circle with centre at O. OS is perpendicular to AC and BC= 10 cm. Then, OS equal to

  • Question 5/5
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    Three equal circle of unit radius touch each other .Then , the area of the circle circumscribing the three circle is :
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